Complete the passage with the correct forms of the verbs in the box. Why did the accident occur? How should we try to avoid accidents in life?

get     return     ride     sit     slow     throw     try     turn     walk     want

【小题1】 for long hours every day in an office for several years, Nancy Jones felt that she was getting out of shape and decided that she needed to get some exercise. So, instead of going to and from work every day by bus, she started riding a bike because【小题2】 was an enjoyable activity for her. One night she had to work till late and it was foggy outside when she left the office. Her bike did not have a light, so【小题3】 home by bike would be dangerous. 【小题4】 (not) to risk having her bike stolen, however, she decided to ride it home anyway. The first few kilometres had plenty of street lights, but 【小题5】onto a side road in the suburbs she found herself in the dark. 【小题6】down, she tried to see in front of her, but it was impossible. Then without warning, her bike hit a rock, 【小题7】her to the ground. 【小题8】to get up, she discovered that her ankle was broken. Unable to stand or walk, she found herself in alarming pain. Fortunately, she was able to call an ambulance with her mobile phone, and they took her to a hospital. However, it was several months before her ankle recovered and she found 【小题9】easy again. 【小题10】 a gym membership near her office, Nancy decided that there were other ways of keeping fit.